A 15-year-old South Carolina girl who was shot earlier this week by a man authorities say fits the description of a serial killer has died, police said Saturday.

Police say the suspect may be driving a light-gray or champagne tan 1991-1994 two-door Ford Explorer.

Abby Tyler died at 11:25 a.m. Saturday at Spartanburg Regional Medical Center, Chief Rick Turner of the Gaffney Police Department told reporters. The Her father, Stephen Tyler, 48, was pronounced dead at the scene of the shooting Thursday in the family-run furniture and appliance store, Tyler Home Center, in Gaffney.

The Cherokee County Sheriff's Office on Friday released a second sketch of a man believed to have fatally shot five people in less than a week.

"Let me say that under the FBI's definition of a serial killer, yes, we have a serial killer," Sheriff Bill Blanton told reporters in Gaffney, a town in the county of about 54,000 residents some 50 miles southwest of Charlotte.

Really bad stuff. The mother-daughter duo were also the wife/mother-in-law of a local high school assistant principal who is a relatively well-known former prep football coach in the Upstate. Truly tragic stuff.